Patents for B64D 31 - Power plant control; Arrangement thereof (859)
03/1994
03/22/1994CA1328000C Engine speed control apparatus
02/1994
02/23/1994EP0584037A1 Method and control system for preventing crash engagement of a ratchet and pawl clutch during restart of a turbine engine
11/1993
11/30/1993US5265826 Helicopter engine control having lateral cyclic pitch anticipation
11/30/1993US5265825 Helicopter engine control having yaw input anticipation
07/1993
07/06/1993US5224340 Turbofan synchrophaser
04/1993
04/06/1993US5199535 Acceleration-sensitive friction device
04/01/1993WO1993006538A1 Method for matching engine torques for multiple engine aircraft
03/1993
03/04/1993WO1993004419A1 Helicopter engine control having yaw input anticipication
03/04/1993WO1993004418A1 Helicopter engine control having lateral cyclic pitch anticipation
03/04/1993WO1993004417A1 Helicopter engine speed enhancement during heavy rotor load and rapid descent rate maneuvering
02/1993
02/23/1993US5188316 Aircraft autothrottle system
11/1992
11/24/1992US5165240 Method for matching engine torques for multiple engine aircraft
09/1992
09/16/1992EP0503801A2 Hand-operated controller
09/16/1992CN1064455A Principle of electromagnetic driven air vehicle
09/01/1992US5143330 Control apparatus
07/1992
07/28/1992CA1305771C Aircraft propeller speed control
06/1992
06/30/1992US5125597 Gas turbine engine powered aircraft environmental control system and boundary layer bleed with energy recovery system
12/1991
12/04/1991EP0459816A1 Gas turbine engine powered aircraft environmental control system and boundary layer bleed
12/02/1991CA2042201A1 Gas turbine engine powered aircraft environmental control system and boundary layer bleed
11/1991
11/19/1991US5065962 Digital power controller
11/05/1991US5062596 Control apparatus
10/1991
10/23/1991EP0453002A1 Control apparatus
10/22/1991US5058376 Turbofan synchrophaser
10/08/1991US5054369 Multiplexed hydraulic control system with plural selector valves
10/01/1991CA1290058C Autofeather state machine
09/1991
09/17/1991US5048394 Multiplexed hydraulic control system with oscillator for multiplexer drive
08/1991
08/07/1991EP0439801A1 Digital power controller
07/1991
07/09/1991US5029778 Throttle control system having real-time-computed thrust vs throttle position function
07/02/1991US5029091 Ground mode control of aircraft propeller speed and pitch
06/1991
06/12/1991EP0431655A2 Throttle control system having real time computed thrust vs. throttle position function
06/04/1991US5020316 Helicopter control with multiple schedule rotor speed decay anticipator
05/1991
05/21/1991US5017089 Propeller speed governor having a derivative inhibit at high flight speeds
04/1991
04/24/1991EP0423867A1 Throttle split monitor for aircraft with intermixed engines
04/09/1991US5005354 Fuel control having reset of propeller overspeed and underspeed governors
03/1991
03/19/1991US5001644 Throttle split monitor for aircraft with intermixed engines
03/06/1991EP0415467A1 Control apparatus
03/05/1991US4998202 Engine
02/1991
02/19/1991US4993919 Discrete (on-off) feather signal to govern propeller overspeed
01/1991
01/30/1991EP0410812A2 Multiplexed hydraulic control system
01/30/1991EP0410811A2 Hydraulic control system
01/08/1991US4982918 Control apparatus
01/08/1991US4982914 Aircraft with a plurality of propellers, a pipe structure for thereon holdable wings, for vertical take off and landing
11/1990
11/28/1990CN1047256A Fuel control having reset of propeller overspeed and underspeed governors
11/22/1990EP0398840A2 Helicopter, high load rotor speed enhancement
11/22/1990EP0398839A2 Helicopter control with multiple schedule rotor speed decay anticipator
11/14/1990CN1046989A Use of discrete (on-off) feather signal to govern propeller overspeed
10/1990
10/24/1990EP0394181A2 Use of discrete (on-off) feather signal to govern propeller overspeed
10/24/1990CN1046400A Propeller speed governor having a derivative inhibit at high flight speeds
10/24/1990CN1046398A Ground mode control of aircraft propeller speed and pitch
10/17/1990EP0392968A2 Ground mode control of aircraft propeller speed and pitch
10/17/1990EP0392967A1 Fuel control having reset of propeller overspeed and underspeed governors
10/17/1990EP0392966A1 Propeller speed governor having a derivative inhibit at high flight speeds
10/17/1990EP0392785A2 Acceleration-sensitive friction device
10/11/1990CA2014181A1 Ground mode control of aircraft propeller speed and pitch
10/11/1990CA2013948A1 Propeller speed governor having a derivative inhibit at high flight speeds
10/11/1990CA2013947A1 Use of discrete (on-off) feather signal to govern propeller overspeed
10/11/1990CA2013942A1 Fuel control having reset of propeller overspeed and underspeed governors
09/1990
09/18/1990US4958289 Aircraft propeller speed control
08/1990
08/28/1990CA1273210A1 Aircraft thrust control
08/07/1990US4947070 Control apparatus
06/1990
06/19/1990US4934825 Propeller phase control apparatus
05/1990
05/22/1990US4926628 Automatic fuel control and engine synchronizer system and apparatus
05/15/1990US4925131 Aircraft with a plurality of propellers, a pipe structure for thereon holdable wings, for vertical take off and landing
03/1990
03/20/1990US4909709 Throttle/propeller mixer cam
02/1990
02/20/1990US4901952 Control apparatus
02/13/1990US4899957 Air borne craft, for example helicopter, and related devices
12/1989
12/06/1989EP0344389A1 Method and apparatus for controlling an aircraft
10/1989
10/17/1989US4875168 Engine speed control apparatus
09/1989
09/26/1989CA1261436A1 Preventing inadvertent downthrottling of the operative engine in a multi-engine aircraft
09/12/1989CA1259294A1 Control apparatus
08/1989
08/02/1989EP0326439A2 Control apparatus
08/01/1989CA1258126A1 Distributed flight condition data validation system and method
07/1989
07/04/1989US4845617 Controlling an aircraft
06/1989
06/28/1989EP0322343A2 Propeller phase control apparatus
06/28/1989EP0322342A2 Engine speed control apparatus
03/1989
03/21/1989US4814993 Method and apparatus for the control of fuel consumption in an airplane
03/14/1989CA1251051A1 Fuel feeder system for aircraft engine
03/01/1989EP0120011B1 Modular multi-engine thrust control assembly
02/1989
02/21/1989US4805396 Computer controlled engine fuel control system for aircraft
12/1988
12/13/1988CA1246717A1 Rotorcraft load factor enhancer
11/1988
11/29/1988US4787201 Method and apparatus for controlling multiple engine aircraft
11/15/1988US4785403 Distributed flight condition data validation system and method
09/1988
09/20/1988US4772180 Aircraft thrust control
09/13/1988US4770371 Fluid motor driven multi propeller aircraft
08/1988
08/16/1988US4764872 Vertical flight path and airspeed control system for aircraft
05/1988
05/04/1988EP0265738A2 Control apparatus
04/1988
04/27/1988EP0265035A1 Manual control apparatus for the thrust magnitude and thrust vector angle of an aircraft
02/1988
02/18/1988DE3725687A1 Regelverfahren und elektronischer brennstoffregler fuer einen mit turbinentriebwerk(en) versehenen hubschrauber Control method and electronic fuel controller for a turbine engine is provided with (s), helicopter
02/11/1988DE3626898A1 Control lever in the cockpit of an aircraft
01/1988
01/20/1988EP0253614A2 Vertical flight path and airspeed control system for aircraft
11/1987
11/04/1987EP0244344A1 Distributed flight condition data validation system and method
11/03/1987US4703906 Airborne craft with an inclinable upper structure
08/1987
08/25/1987US4688743 Aircraft with a retractable variable pitch propeller or a fluid motor driven multi propeller aircraft
08/18/1987US4686825 System for supplying fuel to an aircraft engine
05/1987
05/05/1987US4662584 Arrangements of or to propellers to improve the capabilities of propeller-driven craft
04/1987
04/07/1987US4655414 Preventing inadvertent downthrottling of the operative engine in a multi-engine aircraft
03/1987
03/24/1987US4651954 Autothrottle system
03/04/1987EP0212619A2 System and apparatus for controlling fuel consumption
02/1987
02/03/1987US4641268 Cruise airspeed control for aircraft
11/1986
11/25/1986CA1214510A1 Control apparatus
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